diff --git a/requirements.txt b/requirements.txt
index 3e2b8960210d9c67dcf2b0698e10221fc3c8930c..3bce2242dcc7f7b4c2a5f38fa7d6c39a6a3697cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 #for python2, you should use requirements_py2.txt
 pre-commit
-protobuf >= 3.1.0
+protobuf >= 3.6.0
 yapf == 0.26.0
 pyyaml
 numpy
diff --git a/setup.py b/setup.py
index 93d9b1a84bee05447d077fed4bf66f81574c3ec6..f79399ed6c340d093c327527087a09da93b993cc 100644
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,7 @@ def python_version():
 max_version, mid_version, min_version = python_version()
 
 REQUIRED_PACKAGES = [
-    'six >= 1.10.0', 'protobuf >= 3.1.0', 'pyyaml', 'Pillow', 'requests',
+    'six >= 1.10.0', 'protobuf >= 3.6.0', 'pyyaml', 'Pillow', 'requests',
     'tb-paddle', 'tb-nightly', 'cma == 2.7.0'
 ]